After configuring PDH on a per-net element basis, the full trace cannot be searched. Which of the following is a possible cause? (Multiple choice)
Which of the following statements about the advantages of OTN are incorrect?
When a bit False is detected in B2 bytes, which of the following alarms is reported by the peer?
In Recommendation ITU-T G.692, the allowable channel frequencies are based on the reference frequency (), and the channel spacing can be 100 GHz, 50 GHz or 25 GHz.
Only one TCM can be used at one site
output networks require higher costs than belt networks, but provide a more reliable management channel.
Which of the following local maintenance endpoints can be used to manage MSTP devices?
Which of the following logical function modules is used to generate exhaust R-LOS alerts?
Which of the following statements regarding the sequence of signal flows between the SDH interface and the cross-connecting unit is correct?
For alignment; Indicates the starting position of VC-n in the corresponding AU or TU frame. • This way: The receiver can correctly remove the corresponding VC from STM-N, and then The VC and C packages are separated into separate low-rate signals, such as PDH, which means that the low-rate path signal can be dropped directly from the STM-N signal.
